HP ProLiant WS460C Gen8 Guía de usuario descargar pdf (Pagina 30)

Hardware options installation 30

DIMM identification

To determine DIMM characteristics, use the label attached to the DIMM and the following illustration and

table.

Item Description Definition

Size —

Rank 1R = Single-rank

2R = Dual-rank

4R = Quad-rank

Data width x4 = 4-bit

x8 = 8-bit

Voltage rating L = Low voltage (1.35v)

U = Ultra low voltage (1.25v)

Blank or omitted = Standard

Memory speed 12800 = 1600-MT/s

10600 = 1333-MT/s

8500 = 1066-MT/s

DIMM type R = RDIMM (registered)

E = UDIMM (unbuffered with ECC)

L = LRDIMM (load reduced)

For the latest supported memory information, see the QuickSpecs on the HP website

(http://h18000.www1.hp.com/products/quickspecs/ProductBulletin.html). At the website, choose the

geographic region, and then locate the product by name or product category.

Memory configurations

To optimize workstation blade availability, the workstation blade supports the following AMP modes:

• Advanced ECC—provides up to 4-bit error correction and enhanced performance over Lockstep mode.

This mode is the default option for this workstation blade.

• Online spare memory—provides protection against failing or degraded DIMMs. Certain memory is

reserved as spare, and automatic failover to spare memory occurs when the system detects a DIMM that

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HP ProLiant WS460C Gen8 Guía de usuario Pagina 30